Liquid-fuel atomizer.



I yLIQUID FUEL AToMlzER. APPLICATION FILED1UNEI819I4.

1,168,416, Patented Jan. 18., 1916.

INVENTOR.

' which operate as follows: Before. leaving the. apparatus, the 'liquid traverses a first series UNITED sTnTEs PATENT oEEIoE.

CHARLES immensa., or san-DENIS, FRANCE', Assrc'Non To THE socrETE ANONYME Das ETABLISSEMENTS nELAUNAY-BELLnvrLLE.' or snmnms, ramon, 'a conronATroN or rnANcn.

ful mprovements in or Relating to Liquid- Fuel Atomizers; and I do hereby declare the following to be a full, clear, and exactA description of the invention', such as Will enable others skilled in the art to which it appertains to make and use the same.

Mechanical atomizers of liquid are known of orifices suitably arranged which may be calledthe preliminary orifices, and which impart to it a rotatory speed about an axis;

it follows that the molecules' of the liquid travel in the atomizer describing around its axis helices having a short pitch; they thus -reach the outlet or final orifice. When traversing the latter they acquire under the action of pressure a speed of translation parallel to the axis. At every point of the outlet orice, the tangential speed 'of the movement of rotation and the. speed of translation combine and each molecule describes an oblique trajectory on the axis 'of the atomizer; all the molecules together constitute a' conical surface which forms a-sheet of atomized liquid. The angle of this conical surface depends upon the relative magnltude i of the speed of rotation and of: the speed of translation. In these apparatus the output of the atomizer is lvaried by varying either the number or the section of the prelimina-ry orifices which impart rotatory speed, or the section of the final orifice. which imparts a. speed of translation. These two methods according to which. only oneof the speeds is acted ngen, are defec-V tive because they do not ena le to maintain a constant relation between the speeds. The

angle ofthe cone of atomization therefore;

varies considerably. l According to the invention, this drawback is eliminated by providing a controlling member which acts' s1- multaneouslyv on the section of the Apreliminary orifices and on that of the final orifice;

whatever the position of this member may .6v-which it traverses; it openings 5, enters th body .of

LIQUID-rum. ATonIzEB..

Jan. 1s, 1916.

0f atomization also remains substantially constant. These' Varrangements are illustrated in the accompanying' drawing, in wh1ch, i

Figure l is a section on line X-X of4 Fig. 2. Fig. 2 is a plan. Fig. 3 is a section on hne Y-Y of Fig. 1. Fig. 4 is a section on line Z -Z of Fig. 1. The cylindrical body 1 of the apparatus 1s mounted on the face plate of the boiler; it is secured thereto by means of its flange 2 (Fig. 3). Within'the body 1 there is a hollow cylinder 3 provided with afluidtightpacking 4; in the interior the cylintov der 3 is formedy with longitudinal orifices l 5, 5, around which a metal sleeve 6 lis m'ounted, constituting a filter.

On the right of Fig. l, a short hollow cylinder 7 is screwed on the end of the cylinder 91, said short cylinder extending to, and bearing against the screw-threaded plug 8 which is formed at the center with ",the atomizing Orifice 9. A rod 10 with its packing 11 engages within the cylindrical member 3, its part 1 2 screwing therein. The end portion 13 of the rod 10 screws into a solid c linder 14:A the end of which is conical paral elly to the plug 8; the member 14 slides freel in the cylinder 7, but a set screw 15 whic it carries and which engages a, longitudinal notch of the cylinder 7 prevents it from rotating. The displacement of this member 14 controls the output. 0n the left, the distance piece 16 carries securely a socket 17 which is traversed by the rod 10, a pin 18 the'end of Vwhich is engaged in a groove.

' ormedon the-said .rod 10, is movable within the various degrees of openin of the atomizer. lIn Fig. 1, the atomizer-is shown fully Ao cned.A

The liquid fuelis supplied under pressure throu h the elbow-shaped .pipeV 22 and sprea out in thespace 23 around thefilter 3 leaves throu h the openingsf24 formed in' the cylinder and' lls the capaci 25 arundthe member 7; thence the hqui Afuel the cylinder 105 passes, always under ressure, through the oblique openings 26, ig. 4 formed at the end of the cylinder 7 which impart to the fuel a rotatory movement; the fuel fills, always rotating, the capacity 27 and finally leaves through the orilivce 9 which imparts to it a movement of translation along the axls. movements an atomizationiresults, along the external surface of a cone the apex of which is at 9 andthe axis of which is that of the atomizer.

By movin the regulator 1 4: away from` the plug 8, t e passage of the fuel through the central opening.9, which controls the output along the axis is increased; it controls at the same time the circumferential output by opening a 'Greater surface of the oblique openings 26. This arrangement enables these two outputs to be always maintained in an approximately constant relationship. The screws 12 and 13 are threaded Y in the same direction, but of .different itch; i that of the screw. 13 being smaller. t fol-f 25 lows therefrom that for one revolution of thecontrollingf wheel, the screw 10 pulls orpushes the regulator 14 through a distance 'equal `to vthe difference in pitches. It is thus slight variations in thefopenings without shock.

possible to obtain -very From the combination of these two.

1, In a, liquid fuel burner, 'a'cylindricalf sleeve provided With at least one tangential g opening, a plug having a conical inner surface and a slidable regulator mounted in said sleeve to control said opening and hav- `inga conical surface parallel tothe conlcal surface of the plug to form a whirl chamber into which said tangential opening discharges, and means to actuate said regulator to controlthe output of the burner.

' longitudinal movement of the'rod shifts the pointer, and a stationary index with which said pointer coperates. Y

In testimony whereof I ailix my signature, in presence of two witnesses.

A CHARLES RADIGUER. t

Witnesses: CHAs. I. Pnnssnn, EMILE IKLOH.

pin carried by the pointer, said 

